# A162791 (b-file synthesized from sequence entry)
0 1
1 16
2 240
3 3480
4 50400
5 729120
6 10547880
7 152586000
8 2207316720
9 31931110680
10 461916453600
11 6682097644320
12 96663430749480
13 1398336169885200
14 20228374156231920
15 292624284336944280
16 4233111921066520800